Home / 21,954.18-30,283.04-14,400.94

Finding the Fourth Proportional to 21,954.18, 30,283.04 and 14,400.94

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Solution

The fourth proportional to 21,954.18, 30,283.04 and 14,400.94 is: 19,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.18 : 30,283.04 = 14,400.94 : x
  2. Step 2: Convert to fraction form
    21,954.18/30,283.04 = 14,400.94/x
  3. Step 3: Cross multiply
    21,954.18x = 30,283.04 × 14,400.94
  4. Step 4: Simplify right side
    21,954.18x = 436,104,242.06
  5. Step 5: Solve for x
    x = 436,104,242.06/21,954.18
  6. Step 6: Final answer
    x = 19,864.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.